*Cornerstones for your grave plot*Mark your plot in all corners with your family's Last name Initial*Polished outside border/Frosted finish on the interior and sandblasted initials with a durable black lithichrome paint*Dimensions : 6"x6"x6" *All (4) stones weigh approximately 100lbs *These need to be mounted flush to the ground unless using coping*Always check with your cemetery prior to purchasing to abide by all rules